code: def test_strip_stopwords(self):
      self.assertEqual(
          remove_stopwords("the world is square"), "world square"
      )
  
      # confirm redifining the global `STOPWORDS` working
      with mock.patch(
          "gensim.parsing.preprocessing.STOPWORDS", frozenset(["the"])
      ):
          self.assertEqual(
              remove_stopwords("the world is square"), "world is square"
          )
  
file_path: gensim/gensim/test/test_parsing.py
imports: import logging
  import unittest
  import mock
  import numpy
  from gensim.parsing.preprocessing import remove_short_tokens, remove_stopword_tokens, remove_stopwords, stem_text, split_alphanum, split_on_space, strip_multiple_whitespaces, strip_non_alphanum, strip_numeric, strip_punctuation, strip_short, strip_tags
label_desc: Use image node_id 7 for calling the TestPreprocessing obj's underlying member method code with example usage: obj.test_strip_stopwords() without return types